Only show usable animators in graph

src/app/GUI/graphboxeslist.cpp

@@ -472,7 +472,9 @@ void KeysView::graphSetOnlySelectedVisible(const bool selectedOnly) {
 }
 
 bool KeysView::graphValidateVisible(GraphAnimator* const animator) {
-    if(graph_mOnlySelectedVisible){
+    // https://github.com/friction2d/friction/issues/176
+    if (!animator->prp_isParentBoxGraphSelected()) { return false; }
+    if (graph_mOnlySelectedVisible) {
         return animator->prp_isParentBoxSelected();
     }
     return true;

src/core/Animators/eboxorsound.cpp

@@ -381,6 +381,12 @@ void eBoxOrSound::setSelected(const bool select) {
     emit selectionChanged(select);
 }
 
+void eBoxOrSound::setGraphSelected(const bool select)
+{
+    if (mGraphSelected == select) { return; }
+    mGraphSelected = select;
+}
+
 void eBoxOrSound::select() {
     setSelected(true);
 }

src/core/Animators/eboxorsound.h

@@ -111,9 +111,11 @@ class CORE_EXPORT eBoxOrSound : public StaticComplexAnimator {
     bool isFrameFVisibleAndInDurationRect(const qreal relFrame) const;
 
     void setSelected(const bool select);
+    void setGraphSelected(const bool select);
     void select();
     void deselect();
     bool isSelected() const { return mSelected; }
+    bool isGraphSelected() const { return mGraphSelected; }
     void selectionChangeTriggered(const bool shiftPressed);
 
     void hide();
@@ -146,6 +148,7 @@ class CORE_EXPORT eBoxOrSound : public StaticComplexAnimator {
     void lockedChanged(bool);
 private:
     bool mSelected = false;
+    bool mGraphSelected = false;
     bool mVisible = true;
     bool mLocked = false;
     int mZListIndex = 0;

src/core/Properties/property.cpp

@@ -362,6 +362,13 @@ bool Property::prp_isParentBoxSelected() const {
     return false;
 }
 
+bool Property::prp_isParentBoxGraphSelected() const
+{
+    const auto pBox = getFirstAncestor<eBoxOrSound>();
+    if (pBox) { return pBox->isGraphSelected(); }
+    return false;
+}
+
 #include "canvas.h"
 void Property::prp_selectionChangeTriggered(const bool shiftPressed) {
     if(!mParentScene) return;

src/core/Properties/property.h

@@ -249,6 +249,7 @@ class CORE_EXPORT Property : public SingleWidgetTarget {
     }
 
     bool prp_isParentBoxSelected() const;
+    bool prp_isParentBoxGraphSelected() const;
 
     bool prp_drawsOnCanvas() const
     { return mDrawOnCanvas; }

src/core/canvasselectedboxesactions.cpp

@@ -439,6 +439,7 @@ void Canvas::addBoxToSelection(BoundingBox * const box)
     });
 
     box->setSelected(true);
+    box->setGraphSelected(true);
     schedulePivotUpdate();
 
     sortSelectedBoxesDesc();
@@ -455,9 +456,10 @@ void Canvas::addBoxToSelection(BoundingBox * const box)
 }
 
 void Canvas::removeBoxFromSelection(BoundingBox * const box) {
-    if(!box->isSelected()) return;
+    if (!box->isSelected()) { return; }
     mSelectedBoxes.removeObj(box);
     box->setSelected(false);
+    box->setGraphSelected(false);
     schedulePivotUpdate();
     //if(mCurrentMode == CanvasMode::paint) updatePaintBox();
     if (mSelectedBoxes.isEmpty()) { setCurrentBox(nullptr); }